The Monaco Grand Prix is to be the first F1 race under the new technical regulations, which closed Mercedes' loophole with its power unit compression ratio.
During pre-season, it was reported that Mercedes HPP had found a way to increase the compression ratio of its new engine to 18:1, with the limit in the rules being 16:1.
READ MORE: Mercedes F1 trick now illegal as new FIA rule officially in effect
Monaco GP rule change was quietly dropped by FIA - but why?
The Monaco Grand Prix this weekend will not see the two-pit stop mandate that governed the round last season after the FIA quietly dropped the rule from the sporting regulations earlier this year.
The enforced requirement to pit for a second time in the 78-lap race around the streets of Monte Carlo was introduced to shake up strategy and make the event more of an entertaining spectacle.
READ MORE: Monaco GP rule change was quietly dropped by FIA - but why?
Max Verstappen heads to Monaco GP with clean F1 slate after moment of madness
It was one of the most defining moments of the 2025 Formula 1 season.
Following a safety-car restart in the Spanish Grand Prix at Barcelona's Circuit de Catalunya, George Russell launched an attack that Red Bull's four-time F1 champion Verstappen repelled, albeit taking an escape road to avoid major contact.
READ MORE: Max Verstappen heads to Monaco GP with clean F1 slate after moment of madness
McLaren unveil special livery for historic 1000th grand prix
McLaren has unveiled a special livery to mark a major milestone in its Formula 1 history.
This weekend's Monaco Grand Prix represents the 1000th for the Woking-based organisation, leading to a McLaren livery that the team claims symbolises the message that McLaren Never Quits.
READ MORE: McLaren unveil special livery for historic 1000th grand prix
F1 champion reconsiders motorsport retirement with comeback desire
Jenson Button officially hung up his helmet after the 8 Hours of Bahrain in November last year, bringing to a close a glorious career spanning Formula 1, Super GT and the World Endurance Championship.
Yet, barely six months into retirement, the 2009 F1 champion appears to be on the brink of a possible U-turn.
READ MORE: F1 champion reconsiders motorsport retirement with comeback desire
Ferrari labelled 'team to beat' in Monaco for key reason
Kimi Antonelli has pinpointed why he believes Ferrari will be the "team to beat" at the Monaco Grand Prix, zeroing in on a specific factor the Scuderia has to its advantage.
The Mercedes driver has won the past four grands prix in succession, becoming the first F1 driver to take their first quartet of victories consecutively, but feels it will be an uphill battle to make it five in a row around the streets of the Principality.
READ MORE: Ferrari labelled 'team to beat' in Monaco for key reason
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